LONDON

✦ SENIOR FREELANCE SOFTWARE ENGINEER ✦ GREATER LONDON

Freelance Software Engineer & Web Developer London

Bypass bloated Central London agency fees, slow communication layers, and non-technical account managers. Umer Malik provides direct, senior-level freelance software engineering, custom web development, and enterprise cloud architecture for startups, scale-ups, and established brands across London. Backed by 8+ years of production experience, 100% intellectual property ownership, and direct Slack/WhatsApp collaboration.

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SERVICES

✦ SPECIALIST DISCIPLINES ✦ LONDON TECH HUBS

Software Engineering Services Available in London

Delivering high-performance digital systems for Shoreditch startups, Canary Wharf financial firms, Soho creative agencies, and Mayfair retail brands.

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Custom Web & Portal Development

High-throughput, scalable web platforms built for the market in London. Custom CMS, REST APIs, sub-200ms TTFB, full security.

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Shopify & E-Commerce Engineering

Headless storefronts and bespoke Shopify architectures built for lightning speeds and conversion in London.

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iOS & Android Mobile App Dev

Native mobile applications for users in London. Offline-first architecture, biometric auth, and real-time syncing.

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AI Chatbots & Workflow Automation

GPT-4 powered intelligent agents fine-tuned on company data for 24/7 customer service and sales automation.

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Technical SEO & Web Speed Optimization

Core Web Vitals tuning and structured schema architecture pushing businesses in London to Page 1.

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Plugin-Free WordPress Engineering

Bespoke, bloat-free WordPress architectures. Custom Gutenberg blocks, REST API endpoints, and Redis caching.

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Web Security & Penetration Testing

WAF configuration, SSL hardening, penetration testing, and full compliance with OWASP Top 10 standards.

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Payment Gateway Engineering

PCI-DSS compliant checkouts with 3D Secure and multi-currency support for businesses in London.

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API Development & Backend Systems

High-throughput RESTful and GraphQL APIs with complete OpenAPI documentation and OAuth2 security.

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AWS Cloud Infrastructure & DevOps

AWS cloud architectures, Docker containerization, and automated CI/CD deployment pipelines with zero downtime.

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UI/UX Design & 3D WebGL Interfaces

Pixel-perfect translation from Figma to clean code with 3D WebGL animations for leading brands in United Kingdom.

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Workflow Automation & Custom Scripting

Custom automation scripts and AI pipelines eliminating repetitive manual tasks for companies in London.

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Database Architecture & Tuning

Database design, SQL query tuning, and Redis caching layers engineered to handle massive concurrent traffic.

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Legacy System Modernization

Audit and re-architect legacy codebases into modern microservices with zero downtime and zero data loss.

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Conversion Rate Optimization (CRO)

Data-driven UX audits and landing pages turning digital traffic in London into measurable, profitable revenue.

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White-Label Software Engineering

Clean-code engineering under NDA with 100% transfer of source code, repository, and intellectual property.

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BEST

✦ THE DIRECT MODEL ✦ LONDON BUSINESS ADVANTAGE

Why London Businesses Hire Umer Malik Directly

Central London digital agencies routinely bill £1,000–£1,500 daily rates while delegating actual code delivery to junior developers or overseas contractors. Working directly with a veteran software engineer transforms quality, speed, and accountability.

London Technical Architecture Focus

Engineering Focus A: Scalable SaaS & MVP Architectures
Architecting robust, production-ready web applications using modern Go, Node.js, and PHP backends. Engineered with clean API boundaries, vector search pipelines, and automated Stripe billing integrations, deployed to secure AWS London (eu-west-2) infrastructure.

Engineering Focus B: Enterprise Compliance & Internal Portals
Developing secure, private internal portals under strict UK GDPR data privacy standards. Built with role-based access controls (RBAC), cryptographic audit logging, zero extraneous cookies, and low-latency database queries designed for data sovereignty.

Core Architectural Capabilities

Bespoke Web Systems

Lightweight backends in PHP 8+, Go, and Node.js with zero framework bloat and sub-second page loads.

Shopify Plus E-Commerce

Custom Liquid themes, UK VAT configuration, Royal Mail/DPD shipping rules, and headless Storefront APIs.

API Microservices

RESTful & GraphQL interfaces with OAuth2 security, Redis caching, and automated Swagger/OpenAPI schemas.

Core Web Vitals & Speed

Achieve 95+ Google PageSpeed, pass LCP/INP/CLS benchmarks, and optimize server TTFB under 100ms.

WEB DEVELOPMENT UK → SHOPIFY DEVELOPMENT UK → API MICROSERVICES UK → SPEED OPTIMIZATION UK →

FAQ

✦ LONDON FAQ ✦ TECHNICAL CONSULTANCY

London Software Engineering FAQ

Clear, direct answers for London CTOs, founders, and business owners looking to hire a senior software engineer.

How does working with a freelance software engineer compare to hiring a London web agency? ▼

Traditional London agencies add significant markups for account management, physical office overheads, and sales staff, often delegating real development to junior coders. Working with Umer Malik connects you directly with a senior engineer with 8+ years experience, ensuring faster iteration, higher code quality, and transparent fixed pricing.

Are you available for in-person technical discovery meetings in Central London? ▼

Yes. While development sprints are executed remotely for maximum engineering focus, in-person technical architecture reviews, discovery workshops, and sprint planning sessions can be arranged across Central London (City of London, Shoreditch, Canary Wharf, Mayfair, Westminster).

Who owns the intellectual property and code repository under UK contract law? ▼

You own 100% of all intellectual property, source code, design assets, and database schemas upon milestone payment completion. All engagements operate under standard UK contract terms with complete NDA confidentiality.

What is the kickoff timeline for a new London software development project? ▼

Following an initial technical review and scope alignment, project kickoff typically occurs within 24 to 72 hours. Staging environments and private Git repositories are provisioned immediately.

Which technologies and cloud infrastructure platforms do you support in London? ▼

We specialize in modern full-stack technologies including PHP 8+, Go, Node.js/TypeScript, Python, Vue, React, PostgreSQL, MySQL, Redis, and Docker, deployed to UK cloud regions on AWS London (eu-west-2), Google Cloud London (europe-west2), or Cloudflare edge networks.

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